National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

19°F

-7°C

Humidity 37%
Wind Speed NW 5 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 9 Dec 8:56 am EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Today

    Today: Increasing clouds, with a high near 33. Wind chill values between 15 and 25. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 33 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of snow before midnight, then a slight chance of rain between midnight and 1am. Mostly cloudy, with a temperature rising to around 35 by midnight. Wind chill values between 20 and 25. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 27 °F⇑

    Slight Chance
    Snow then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. Wind chill values between 25 and 35 early. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 33. Wind chill values between 15 and 25. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
A slight chance of snow before midnight, then a slight chance of rain between midnight and 1am. Mostly cloudy, with a temperature rising to around 35 by midnight. Wind chill values between 20 and 25. South wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. Wind chill values between 25 and 35 early. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 38. West wind 9 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 14.
Monday
Sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
5:28 am EST Dec 9, 2025
Forecast Valid:
9am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation